S7009 FW/HC
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7009 FW/HC
Basic Information
System of measurement
Metric
Weight
0.23 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
75 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2858 lbf
Radial static load rating
1912 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 301.69
/ each
In Stock
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S7009 FW/HC Bearing Product Overview & Core Advantages
The S7009 FW/HC is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional performance. Engineered to simultaneously handle combined radial and axial loads, this bearing features a single-row design with a P4 (ABEC-7) tolerance class for superior running accuracy. Its ceramic balls and phenolic cage contribute to high-speed capability and reduced weight, while the preload availability ensures high system rigidity and precise rotational performance. This sealed and lubricated bearing offers a compact solution for high-reliability machinery.
S7009 FW/HC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7009 | Basic bearing series and size designation (45mm bore, 75mm OD). |
| FW | Likely indicates a specific cage design or internal configuration. |
| HC | Signifies the use of Hybrid Ceramic components (Ceramic balls with steel rings). |
S7009 FW/HC Bearing Structural Features & Performance Benefits
- High-Speed & Low Friction: The combination of ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 28,000 rpm. This is ideal for high-speed spindle applications.
- High Rigidity & Precision: The 18° contact angle and availability of preload provide high axial and radial stiffness, minimizing deflection under load and ensuring precise shaft positioning, which is critical for P4 tolerance class performance.
- Superior Load Capacity: Designed to handle combined loads, this bearing offers a dynamic load rating of 2858 lbf and a static load rating of 1912 lbf, providing reliable performance under demanding conditions.
- Reduced Maintenance & Long Life: The sealed design with factory-applied lubrication protects against contamination and retains lubricant, extending service intervals and bearing life within a temperature range of -30° to 110 °C.
S7009 FW/HC Bearing Typical Application Areas
This precision bearing is ideally suited for applications where high speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles.
- Precision Instrumentation: Measuring devices, optical scanners.
- High-Speed Motors and Drives: Electric motors, turbochargers.
- Aerospace & Defense Systems: Gyroscopes, navigation equipment.
